Matematika f(x) = 2× -7,jika f(x)=9, tentukan nilai x nya! beserta caranya yatolong dijawab yaa kakak² pintar:)​

enriqueblickulv – April 11, 2023

f(x) = 2× -7,jika f(x)=9, tentukan nilai x nya! beserta caranya ya

tolong dijawab yaa kakak² pintar:)​

Fungsi

f(x) = 2x - 7

f(x) = 2x - 7 = 9

f(x) = 2x = 9 + 7

f(x) = 2x = 16

f(x) = x = 16/2

f(x) = x = 8

pembuktian :

f(x) = 2x - 7

f(8) = 2(8) - 7

f(8) = 16 - 7

f(8) = 9

semoga bermanfaat

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